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SFD-600 series · SFD-600
SFD-600 series

With Magnetic pen  long press "FUNC"  for about 5 seconds, Press button ▲ (plus 1), ▼ (minus 1) and◀(left)" regulation to display "1111", press "FUNC" 2 times, enter "ZERO" zero adjustment menu, press the “◀” into numerical display "L" at the beginning the "XX" is not zero, "Press ▼ (minus 1), which shows the number reduced to 0 so far.

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